The Sentinel uses the pillars of hundreds of secretly transporting Decepticons on Earth, Moon, and Carly is captured by Gould, who turns out to be of service the Decepticons'. Autobots are expelled from the worldwide demand for the Decepticons to avoid war, but their ship leaves the Earth is destroyed by Star Scream, apparently to kill the Autobots. Decepticons led by Megatron and the Sentinel, Chicago seize Columns agent place around the world. Carly Gould reveals that the Decepticons plan to bring home planet of Cybertron is the Milky Way to use the resources and people enslaved in the country to rebuild the world. Sam's teams, Robert Epps go to Chicago and save Carly, but are almost killed by the forces of the Autobots Decepticons first act, revealing a hidden start-up phase in order to convince them of their boats were destroyed Decepticons.
Working together, the Autobots and the soldiers manage to save the humans and destroy Carly Soundwave, Barricade, Starscream and Optimus Shockwave Shockwave with his arm cannon to blow up the backbone of control, the space off the bridge. Sat Gould faces as the pillar of reactive control. Sat Gould hit in the spine, was electrocuted.
Ratchet and Bumblebee arrives and destroys the mainstay of control, permanent disability, causing the bridge and partially transported to Cybertron implode. Optimus and the fight, while Carly convinces Megatron Sentinel will be replaced as leader of the Decepticons by the Sentinel. Severed Sentry Optimus right arm and prepares to run is when Megatron, Sentinel disabling. Megatron attacks Optimus, decapitate and kill him. Sentinel declares his life, but runs Optimus. With the Decepticons defeated Carly and Sam get together and accept that Cybertron Autobots disappeared, the Earth is now home,Watch Transformers 3 Megavideo
